Authors:
D. Petzold Sektion Chemie Bergakademie Freiberg 92 Freiberg DDR

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R. Naumann Sektion Chemie Bergakademie Freiberg 92 Freiberg DDR

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The decomposition of magnesium chloride hexahydrate was followed by differential thermal analysis and thermogravimetry in combination with evolved gas analysis. The examinations were carried out by means of a Q-derivatograph (temperature range 20–400°; pressure 1 bar) under quasiisothermal and dynamic heating conditions, with variation of the crucible type. The temperatures of the stepwise decomposition of H2O and HCl are influenced by the partial pressures of H2O and HCl. Depending on the conditions, it is possible to remove 2 moles of water from solid MgCl2 · 6 H2O or from a melt in a nonisothermal step. Under quasiisobaric conditions MgCl2 · 4 H2O is transformed in isothermal steps to MgCl2 · 2 H2O and stable basic magnesium chlorides.

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation
1969
Volumes
per Year
1
Issues
per Year
24
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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